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Finding the Fourth Proportional to 334.46, 461.58 and 187.12

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Solution

The fourth proportional to 334.46, 461.58 and 187.12 is: 258.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.46 : 461.58 = 187.12 : x
  2. Step 2: Convert to fraction form
    334.46/461.58 = 187.12/x
  3. Step 3: Cross multiply
    334.46x = 461.58 × 187.12
  4. Step 4: Simplify right side
    334.46x = 86,370.85
  5. Step 5: Solve for x
    x = 86,370.85/334.46
  6. Step 6: Final answer
    x = 258.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.